1440332072 has 48 divisors (see below), whose sum is σ = 2917728000. Its totient is φ = 666252032.

The previous prime is 1440332051. The next prime is 1440332077. The reversal of 1440332072 is 2702330441.

It is not an unprimeable number, because it can be changed into a prime (1440332077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131129 + ... + 141687.

It is an arithmetic number, because the mean of its divisors is an integer number (60786000).

Almost surely, 2^1440332072 is an apocalyptic number.

It is an amenable number.

1440332072 is an abundant number, since it is smaller than the sum of its proper divisors (1477395928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1440332072 is a wasteful number, since it uses less digits than its factorization.

1440332072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658 (or 10637 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1440332072 is about 37951.7071025797. The cubic root of 1440332072 is about 1129.3300312401.

The spelling of 1440332072 in words is "one billion, four hundred forty million, three hundred thirty-two thousand, seventy-two".